Tech Terms


5 Information Technology Devices
  • Input (keyboard, webcam, etc.)
  • Output (monitor, printer, etc.)
  • Processing (CPU, GPU, etc.)
  • Communications (NIC - network interface card, modem, etc.)
  • Storage (Harddrive, etc.)

5 Parts of Information System
  • Hardware
  • Software
  • Information (GIGO - Garbage In Garbage Out)
  • People
  • Procedures


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Information Transparency - collecting and moving information

IT drives rapid changes and the stability of industry goes down.

Digital Divide - geographic that allows you or denies you of technology

IT Infrastructure

Service-Oriented Architecture (SOA)Platform ---> HW/OSSoftware - Systems and Applications

End users use Applications

ERP - Enterprise Resource Planning

IT Departments must have:flexibilityscalability controllable

Data - Databases are used to store database

NAS - Network Attached Storage

Standards: (compatible)ASCII HTML/ XMLTCP/IP

Mainframe - 1 computer and many users and use dumb terminals

Microcomputer - 1 computer for 1 person; Many computers for 1 person

Client/Server - shared resources Star topology - LAN with clients connecting to server

N-Tier computer

2-Tier (ftp)

Filezilla is a client for ftp

Back End is help in the database ----> Application / Logic/ Business (Processing) ---> Front End (Presentation Layer)

Integrative Systems - Functional Areassilos

Cloud ComputingPublic CloudPrivate Clod - UT Ranger Cluster

Moore's Law - Processing power will double every 18 months

Quantum computing (qubit) 1 bit = 1 particle